package Demo02;
import java.util.concurrent.atomic.AtomicLong;
public class 第七章练习3 {
    public static void main(String[] args) throws Exception {
        AtomicLong num = new AtomicLong(100L);
        System.out.println("【原子数据修改】数据修改结果："+
                num.compareAndSet(100L, 300L));
        System.out.println("【原子数据获取】新的数据内容: "+ num.get());
    }
}
